/Engine/Source/Editor/UnrealEd/Public/ObjectTools.h
Populates two strings with all of the file types and extensions the provided factory supports.
namespace ObjectTools { void ObjectTools::GenerateFactoryFileExtensions ( const [UFactory](API\Editor\UnrealEd\Factories\UFactory) * InFactory, [FString](API\Runtime\Core\Containers\FString) & out_Filetypes, [FString](API\Runtime\Core\Containers\FString) & out_Extensions, [TMultiMap](API\Runtime\Core\Containers\TMultiMap)< uint32, [UFactory](API\Editor\UnrealEd\Factories\UFactory) * > & out_FilterIndexToFactory ) }